Method for testing a universal serial bus host controller

Details Method for testing a universal serial bus host controller Method for testing a universal serial bus host controller

2007-01-23

2007-01-23

Lamarre, Guy (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

Reexamination Certificate

active

10368780

ABSTRACT:
A chip test method is suitable for testing a universal serial bus host controller. First, the host controller and the client device are individually set in a test mode. Next, the client device performs a client-side test preparation action. In addition, the host controller performs a host-side test preparation action. The host controller sequentially outputs a number of requests to the client device. The client device, in response to the requests, outputs simulated responses individually to the host controller, wherein the simulated responses are selected from correct responses corresponding to the requests, possible faulty responses, and error responses that are possibly to be received by the host controller during actual operation. Finally, the host controller performs a verification test to verify whether the host controller works properly under the various simulated situations.

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